#pragma once

void draw_screw(double screw_x, double screw_y, double screw_r, double angle);

void draw_screw1(double screw_x, double screw_y, double screw_r, double angle);
void draw_screw2(double screw_x, double screw_y, double screw_r, double angle);
void draw_screw3(double screw_x, double screw_y, double screw_r, double angle);
void draw_screw4(double screw_x, double screw_y, double screw_r, double angle);

